8130018 has 16 divisors (see below), whose sum is σ = 17510976. Its totient is φ = 2501520.

The previous prime is 8130007. The next prime is 8130071. The reversal of 8130018 is 8100318.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8129976 and 8130003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52038 + ... + 52193.

It is an arithmetic number, because the mean of its divisors is an integer number (1094436).

Almost surely, 2^8130018 is an apocalyptic number.

8130018 is an abundant number, since it is smaller than the sum of its proper divisors (9380958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8130018 is a wasteful number, since it uses less digits than its factorization.

8130018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104249.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 8130018 is about 2851.3186423127. The cubic root of 8130018 is about 201.0776660827.

It can be divided in two parts, 81300 and 18, that added together give a palindrome (81318).

The spelling of 8130018 in words is "eight million, one hundred thirty thousand, eighteen".